Autotransfusion machine



FIG. 1 is an isometric view of an autotransfusion machine, showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevation;

FIG. 4 is a right side elevation;

FIG. 5 is a left side elevation;

FIG. 6 is a rear elevation; and,

FIG. 7 is a bottom plan view. 

The ornamental design for an autotransfusion machine, as shown. 